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HK MR556 A4 Gas Block - Complete
-44%

HK MR556 A4 Gas Block – Complete

in hot sale
Sku: HKP-21928

$107.38 Save:$83.00(44%)

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Description

H&K HK MR556 A4 Gas Block – Complete

Factory HK MR556 A4 adjustable gas block ideal for switching between suppressed and unsuppressed firing.  

Compatible With:

  • HK MR556 A4
  • Nefarious Arms A5 barrels
  • NOT compatible with MR556 A1 without converting to an A4 or Nefarious Arms barrel. 

Features:

  • 1.3mm vent screw
  • Genuine H&K factory part
  • Complete gas block assembly
  • Durable construction for long service life
  • Ideal for replacement, upgrade, or custom builds

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